【摘 要】
:
基于7000m2的14块样地内出现的315种物种,从科、属、种水平对高黎贡山南段中山湿性常绿阔叶林种子植物的区系特征和性质进行了分析.结果表明:(1)群落类型主要为硬斗石栎林和多变
【机 构】
:
西南林业大学林学院,云南农村干部学院,云南省林业科学院
论文部分内容阅读
基于7000m2的14块样地内出现的315种物种,从科、属、种水平对高黎贡山南段中山湿性常绿阔叶林种子植物的区系特征和性质进行了分析.结果表明:(1)群落类型主要为硬斗石栎林和多变石栎林,共有种子植物77科147属286种;(2)在科、属、种级水平上,热带分布与温带分布的比例分别为1.63∶1,1∶1,1∶3,表明群落在科级水平上具有明显的热带性质,属级水平上两种成分相当,而在种级水平上温带成分占据优势,群落表现出由亚热带性向温带性过渡的区系特征;(3)群落中出现2个中国特有属、156种中国特有种、5种当
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